Astronomical observatory above Lake Titicaca.

A desert that evokes the surreal.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

A seemingly endless landscape of pure salt stretches far across Bolivia.

The island houses the ruins of a secret nuclear fusion lab that once employed high-profile Nazi scientists

This Argentinian hedge maze is an intricate tribute to a famous surrealist author.

The most southern point you can drive to in the Western Hemisphere.

A brightly colored natural bridge formed by mineral-rich hot springs high up in the Andes.

Rippling sand dunes frozen in the Arizona rock.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

A terrific purveyor of natural history objects and curios.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

Abstract dinosaur models in London.

The television series' iconic giant foot was borrowed from this classical painting.

The largest greenhouse in the world is home to over one million types of plants.

The remains of Crystal Palace Great Exhibition of 1851.

Carved panels tell the complete history of the harsh Central Highlands region.

The abandoned remains of a once popular zoo, and the grave of the last known Tasmanian Tiger.

The red crab exhibits one of the most spectacular migrations on earth, despite manmade obstacles.

A huge maze complex and whimsical miniature village in Tasmania.